单词	astrocompass
释义	astrocompass /ˈastrəʊˌkʌmpəs / noun An instrument designed to indicate direction with respect to the stars.The aircraft's magnetic compass probably appeared to be working well, and setting up the astrocompass would have been a nuisance.... Each patrol is also given a first-aid kit, a global positioning system compass, an astrocompass and a shortwave radio. A form of astrocompass is the sun compass, which utilizes the shadow of a pin.
随便看	alter-egotism alterer alter idem alterity altern alternacy alternal alternance alternant alternanthera Alternaria alternate alternate angles alternate current alternate-day alternate generation alternate-leaved alternately alternateness alternate-pinnate alternatim alternating current alternating gradient alternating group alternatingly

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